Idorsia Ltd. (SIX:IDIA) gained CHF3.65 (37%) to CHF13.65 in its first day of trading on Friday. The closing price valued the company at CHF1.5 billion ($1.5 billion). Idorsia was spun out of Actelion Ltd. (SIX:ATLN),...

On June 16, shares of Idorsia Ltd. (Allschwil, Switzerland) are to begin trading on the SIX Swiss Exchange. Idorsia will house the drug discovery and early clinical pipeline businesses of Actelion Ltd. (SIX:ATLN), which Johnson...

In a pipeline update outlining candidates it plans to spin out into newco Idorsia Ltd. , Actelion Ltd. (SIX:ATLN) said ACT-132577 led to "statistically significant dose-dependent" reductions in both diastolic and systolic blood pressure in...